Table 5 Agreement of reference values between the full-length version and short forms
From: Reference values for the short forms of the Singapore Caregiver Quality of Life Scale
SCQOLS QoL total score | SCQOLS-15 QoL total score | ||||||
(A) | (B) | (C) | (D) | (E) | (F) | Total | |
(A) < 10th percentile | 50 | 12 | 2 | 0 | 0 | 0 | 64 |
(B) 10th to < 25th percentile | 9 | 60 | 18 | 0 | 0 | 0 | 87 |
(C) 25th to < 50th percentile | 0 | 20 | 100 | 31 | 2 | 0 | 153 |
(D) 50th to < 75th percentile | 0 | 1 | 29 | 93 | 26 | 1 | 150 |
(E) 75th to < 90th percentile | 0 | 0 | 1 | 28 | 45 | 22 | 96 |
(F) ≥ 90th percentile | 0 | 0 | 0 | 3 | 19 | 40 | 62 |
Total | 59 | 93 | 150 | 155 | 92 | 63 | 612 |
Kappa statistic: Unweighted = 0.55 (0.50, 0.60), Quadratic-weighted = 0.90 (0.88, 0.92) | |||||||
SCQOLS Physical Well-being score | SCQOLS-15 Physical Well-being score | ||||||
(A) | (B) | (C) | (D) | (E) & (F)a | Total | ||
(A) < 10th percentile | 39 | 15 | 3 | 0 | 0 | 57 | |
(B) 10th to < 25th percentile | 6 | 44 | 45 | 1 | 2 | 98 | |
(C) 25th to < 50th percentile | 0 | 11 | 72 | 27 | 25 | 135 | |
(D) 50th to < 75th percentile | 1 | 1 | 39 | 51 | 102 | 194 | |
(E) 75th to < 90th percentile | 0 | 0 | 1 | 17 | 36 | 54 | |
(F) ≥ 90th percentile | 0 | 0 | 0 | 3 | 71 | 74 | |
Total | 46 | 71 | 160 | 99 | 236 | 612 | |
Kappa statistic: Unweighted = 0.33 (0.29, 0.38), Quadratic-weighted = 0.72 (0.68, 0.76) | |||||||
SCQOLS Mental Well-being score | SCQOLS-15 Mental Well-being score | ||||||
(A) | (B) | (C) | (D) | (E) | (F) | Total | |
(A) < 10th percentile | 34 | 22 | 2 | 0 | 0 | 0 | 58 |
(B) 10th to < 25th percentile | 18 | 36 | 23 | 2 | 0 | 0 | 79 |
(C) 25th to < 50th percentile | 1 | 33 | 87 | 38 | 5 | 0 | 164 |
(D) 50th to < 75th percentile | 0 | 1 | 36 | 93 | 26 | 3 | 159 |
(E) 75th to < 90th percentile | 0 | 0 | 0 | 28 | 40 | 24 | 92 |
(F) ≥ 90th percentile | 0 | 0 | 0 | 1 | 10 | 49 | 60 |
Total | 53 | 92 | 148 | 162 | 81 | 76 | 612 |
Kappa statistic: Unweighted = 0.45 (0.40, 0.50), Quadratic-weighted = 0.87 (0.85, 0.89) | |||||||
SCQOLS Experience & Meaning score | SCQOLS-15 Experience & Meaning score | ||||||
(A) | (B) | (C) | (D) | (E) | (F) | Total | |
(A) < 10th percentile | 41 | 16 | 0 | 0 | 0 | 0 | 57 |
(B) 10th to < 25th percentile | 8 | 52 | 23 | 4 | 1 | 0 | 88 |
(C) 25th to < 50th percentile | 3 | 24 | 61 | 58 | 9 | 0 | 155 |
(D) 50th to < 75th percentile | 0 | 0 | 19 | 86 | 27 | 10 | 142 |
(E) 75th to < 90th percentile | 0 | 0 | 4 | 26 | 42 | 29 | 101 |
(F) ≥ 90th percentile | 0 | 0 | 0 | 6 | 13 | 50 | 69 |
Total | 52 | 92 | 107 | 180 | 92 | 89 | 612 |
Kappa statistic: Unweighted = 0.44 (0.39, 0.49), Quadratic-weighted = 0.85 (0.83, 0.87) | |||||||
SCQOLS Impact on Daily Life score | SCQOLS-15 Impact on Daily Life score | ||||||
(A) | (B) | (C) | (D) | (E) & (F)a | Total | ||
(A) < 10th percentile | 43 | 16 | 2 | 0 | 0 | 61 | |
(B) 10th to < 25th percentile | 13 | 38 | 28 | 6 | 3 | 88 | |
(C) 25th to < 50th percentile | 0 | 20 | 78 | 28 | 31 | 157 | |
(D) 50th to < 75th percentile | 0 | 1 | 24 | 39 | 88 | 152 | |
(E) 75th to < 90th percentile | 0 | 0 | 4 | 13 | 72 | 89 | |
(F) ≥ 90th percentile | 0 | 0 | 0 | 0 | 65 | 65 | |
Total | 56 | 75 | 136 | 86 | 259 | 612 | |
Kappa statistic: Unweighted = 0.32 (0.27, 0.36), Quadratic-weighted = 0.73 (0.69, 0.76) | |||||||
SCQOLS Financial Well-being score | SCQOLS-15 Financial Well-being score | ||||||
(A) | (B) | (C) | (D) | (E) | (F) | Total | |
(A) < 10th percentile | 45 | 20 | 0 | 0 | 0 | 0 | 65 |
(B) 10th to < 25th percentile | 7 | 62 | 24 | 2 | 0 | 1 | 96 |
(C) 25th to < 50th percentile | 0 | 15 | 105 | 16 | 0 | 5 | 141 |
(D) 50th to < 75th percentile | 0 | 0 | 23 | 81 | 5 | 22 | 131 |
(E) 75th to < 90th percentile | 0 | 0 | 0 | 13 | 4 | 11 | 28 |
(F) ≥ 90th percentile | 0 | 0 | 0 | 0 | 0 | 151 | 151 |
Total | 52 | 97 | 152 | 112 | 9 | 190 | 612 |
Kappa statistic: Unweighted = 0.66 (0.62, 0.71), Quadratic-weighted = 0.92 (0.90, 0.94) | |||||||
SCQOLS QoL total score | SCQOLS-10 QoL total score | ||||||
(A) | (B) | (C) | (D) | (E) | (F) | Total | |
(A) < 10th percentile | 47 | 15 | 1 | 1 | 0 | 0 | 64 |
(B) 10th to < 25th percentile | 11 | 51 | 24 | 1 | 0 | 0 | 87 |
(C) 25th to < 50th percentile | 1 | 21 | 97 | 27 | 7 | 0 | 153 |
(D) 50th to < 75th percentile | 0 | 4 | 29 | 84 | 30 | 3 | 150 |
(E) 75th to < 90th percentile | 0 | 0 | 3 | 35 | 41 | 17 | 96 |
(F) ≥ 90th percentile | 0 | 0 | 0 | 5 | 14 | 43 | 62 |
Total | 59 | 91 | 154 | 153 | 92 | 63 | 612 |
Kappa statistic: Unweighted = 0.50 (0.45, 0.55), Quadratic weighted = 0.87 (0.85, 0.89) | |||||||